Answer:
r≈5.36656314
Step-by-step explanation:
Since A=πr(r+
) so we get that 226.08/pi≈72 or 226.08/3.14=72 we then plug it in to get 72=r(r+
) so we get r≈5.36656314
Answer: 2
Step-by-step explanation:
To find the slope, we use the formula
. With the given points, we can directly plug them in and solve.

Now, we know that the slope is 2.
Answer: 7.5 minutes
Step-by-step explanation: divide 30 by 4.
Answer:
the second option and last one is correct
Step-by-step explanation:
function b slope is 7, function a is 10, which is 3 higher which proves the second option
and in the chart, when x=0, y=1 which proves the last option